* {
    margin: 0;
    padding: 0;
}
body{
    display: flex;
    flex-direction: column;
}
html,body{
    width:100%;
    height:100%;
}
body{
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    }
.img{
    display: inline-block;
    width:5%;
    height:50px;
    background: darkorange;
    vertical-align: middle;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    margin-right:2%;
    margin-left:2%;
   
}
.header{
    height:50px;
    margin-bottom:40px;
    width:90%;
    margin-left:1%;
}
.layout{
    display: flex;
    flex-direction:column;;
    flex: 1;
    width:100%;
    overflow: auto;
}
.title-big{
    display: inline-block;
    width:75%;
    text-align: center;
   font-weight: 500;
   font-size:40px;
   
}
.contain {
    margin-bottom:50px;
    height: 220px;
    display: none;
   
}

.left {
    float: left;
    height: 220px;
    width: 68%;
    padding-left: 20px;
    color: aliceblue;
    font-size: 20px;
    box-sizing: border-box;
    margin-left:2%;
    border-radius: 10px;
}

.right {
    float: right;
    height: 220px;
    width: 27%;
    box-sizing: border-box;
    border: 5px dashed #000;
    font-weight: bold;
    color: darkviolet;
    font-size: 25px;
    /* word-break: break-all;
    word-wrap:break-word;   */
    margin-right:1%;
    border-radius: 5px;
    padding:1%;
    word-wrap:break-word;
}
.title{
    font-size: 30px;
    font-style:italic; 
    color:#000;
}

.back {
    color: darkcyan;
}

.linear {

    background-image: linear-gradient(to right, red 0%, blue 100%);
}

.linear-four {
    background-image: linear-gradient(to right, red 0%, green, yellow, purple, blue 100%);
}

.linear-four-none {
    background-image: linear-gradient(to right, red, green, yellow, purple, blue);
}

.linear-three {
    background-image: linear-gradient(to right, red 25%, green, blue 75%);
}
.linear-repeat{
    background-image: repeating-linear-gradient(to right,red 25%,green,blue 50%);

}
.linear-zero{
    background-image: repeating-linear-gradient(to right,red 50%,green,blue 50%);
}
.linear-small{
    background-image: linear-gradient(to right,red 50%,blue 25%);
}

.show{
    display: block;
}
.hiddren{
    display: none;
}